
PRUEBA 2- NOVENO GRADO
Authored by Karla Fernandez
Mathematics
9th Grade
Used 3+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Simplifica la raíz cuadrada de 72.
4√18
8√3
12√6
6√2
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Racionaliza el denominador de 1/(√5).
5/√5
1/5
√5 / 5
√5 / 10
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Resuelve la ecuación cuadrática x² - 5x + 6 = 0.
x = 2, x = 3
x = 0, x = 5
x = 1, x = 4
x = -2, x = -3
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Calcula el discriminante de la ecuación 2x² + 4x + 2 = 0.
0
-4
2
1
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dado el siguiente gráfico selecciona la afirmación falsa
El valor de a>0 en y=a^2+c
El valor de c<0 en y=a^2+c
El valor de a<0 en y=a^2+c
El vértice de la parábola es (0,-2)
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Identifica el vértice de la parábola dada
(1, -6)
(-2,0)
(0,-2)
(0, 2)
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Simplifica la raíz cuadrada de 50.
√100
2√25
5√2
10√5
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